OBSERVER:                 Sykes, Chamberlain
INSTRUMENT:               MIRSI
LOCATION:                 IRTF
OBJECT NAME:              Vesta_26may
REDUCED IMAGE FILENAME:   b0228.fits
OBSERVATION DATE:         05/26/2007
OBSERVATION TIME:         12:07:25
FILTER WAVELENGTH:        11.6 microns
AIRMASS:                  1.29375
INNER SKY RADIUS:         20 pixels
OUTER SKY RADIUS:         30 pixels
PIXELS IN SKY ANNULUS:    1576
SKY MODE:                 192.10170
SKY STANDARD DEVIATION:   11642.5
SKY SKEW:                 0
TOTAL INTEGRATION TIME:  20.0692 sec
FWHM:                     4.28296 pixels
                  
Aperture   Aperture               c/s     Instrument  Magnitude
 radius     pixels     CTS/sec    Error   Magnitude     Error
---------|----------|----------|---------|----------|----------|
 1         3        313405     1037      -1.2402     0.00827
 2        13       1023604     2077      -2.5253     0.00507
 3        28       1703921     3126      -3.0786     0.00458
 4        50       2189809     4191      -3.3510     0.00478
 5        79       2529737     5280      -3.5076     0.00521
 6       113       2788624     6398      -3.6134     0.00573
 7       154       2973116     7551      -3.6830     0.00634
 8       201       3090906     8744      -3.7252     0.00707
 9       254       3164191     9981      -3.7506     0.00788
 10       314       3210628     11268      -3.7664     0.00877
 11       380       3242646     12607      -3.7772     0.00971
 12       452       3268258     14004      -3.7857     0.01071
 13       531       3287752     15461      -3.7922     0.01175
 14       616       3300498     16981      -3.7964     0.01286
 15       707       3307884     18567      -3.7988     0.01403